docs: def extract_rupture(dstore, serial):
      """
      Extract information about the given event index.
      Example:
      http://127.0.0.1:8800/v1/calc/30/extract/rupture/1066
      """
      ridx = list(dstore['ruptures']['serial']).index(int(serial))
      [getter] = getters.gen_rupture_getters(dstore, slice(ridx, ridx + 1))
      yield from getter.get_rupdict().items()